. Electric railway journal . CENTERING CHUCK FOR MACHINING BEARINGS AFTERBABBITTING Babbitting Bearings at the ThirdAvenue Railway Shops Simple Centering Chuck Is Utilized in Cutting DownTime in Finishing Bearings BY A. R. JOHNSON Assistant to Superintendent of Equipment Third Avenue Railway The question of babbitting bearings has been givencareful consideration and is a matter of great impor-tance in the upkeep and reliability of railway equip-ment. The following methods are employed at theshops of the Third Avenue Railway, New York City. All babbitt metal is madeaccording to specifications,t
. Electric railway journal . CENTERING CHUCK FOR MACHINING BEARINGS AFTERBABBITTING Babbitting Bearings at the ThirdAvenue Railway Shops Simple Centering Chuck Is Utilized in Cutting DownTime in Finishing Bearings BY A. R. JOHNSON Assistant to Superintendent of Equipment Third Avenue Railway The question of babbitting bearings has been givencareful consideration and is a matter of great impor-tance in the upkeep and reliability of railway equip-ment. The following methods are employed at theshops of the Third Avenue Railway, New York City. All babbitt metal is madeaccording to specifications,there being two grades, onefor armature and the otherfor journal bearings. Thebetter grade, which is usedfor the armature bearings,comprises 83 1/3 per centtin, 8 1/3 per cent copperand 8 1/3 per cent antimony. When re-babbitting bronzebearings the old babbittis melted out entirely and the outside of the shell isgiven a coat of lampblack. After this the bearing issubmerged in a bath of molten metal, using a little acidif nece
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Keywords: ., bookcentury1900, bookdecade1900, bookpublishernewyorkmcgrawhillp
